Shires USA-L 5GL
TromboneIn Production
Precision Specifications
RIM DIAMETER25.4 mm
CUP DEPTH39.22 mm
THROAT ∅7.39 mm
BACKBORE—
SHANKlarge
CUP SHAPE—
Rim Width—
Rim Contour—
Throat Drill #—
Material—
Finish—
Weight—
Recommended For
OrchestralAll Around
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Special Features
- USA L Series
- Bass Trombone
- Larger Bore
Reference Notes
Shires USA-L 5GL appears in the Trombone catalog section with 25.4 mm rim, 39.22 mm cup depth, 7.39 mm throat, and large shank. Database tags list it for Orchestral and All Around use. Noted features include USA L Series, Bass Trombone, and Larger Bore. Use these measurements as a comparison starting point: fit and response still depend on the player, dental structure, instrument receiver, and each manufacturer's measuring method.